When comparing SUDS vs PySimpleSOAP, the Slant community recommends SUDS for most people. In the question“What are the best SOAP client libraries for Python?”SUDS is ranked 2nd while PySimpleSOAP is ranked 3rd. The most important reason people chose SUDS is:

While it is known that SUDS can have slow performance with large WSDLs, as it must download and parse the entire WSDL on startup, it has the handy feature of caching the WSDL. If you know that the file will not be updated regularly you can cache it for a specified time, otherwise it will default to cache for 1 day. By doing this you save the client from having to download and parse the entire WSDL each time it connects.

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Pros

Pro

WSDL caching

While it is known that SUDS can have slow performance with large WSDLs, as it must download and parse the entire WSDL on startup, it has the handy feature of caching the WSDL. If you know that the file will not be updated regularly you can cache it for a specified time, otherwise it will default to cache for 1 day. By doing this you save the client from having to download and parse the entire WSDL each time it connects.

Pro

Python 3.x compatibility

Users can achieve Python 3.x compatibility from forked versions of the official SUDS library.

Pro

WSGI compilant

The WSGI (web server gateway interface) compliance allows the server dispatcher to be integrated to other python frameworks such as Django. This allows the SOAP libraries to be more useful with current technologies.

Pro

Python 2.x/3.x support

With both python 2.x and 3.x support built into the same codebase, it is simple to use in multiple projects over an extended period of time. The base currently supports all versions of python.

Cons

Con

No official Python 3.x support

Development on the original project SUDS has stalled and it looks like it will not continue. The forked version gives Python 3.x support, but support and installation may be cumbersome for individuals to undertake.

Con

Lacks SSL support

Con

Outdated

The projects' last update was in 2013, and with a small community and no API, beginners may feel lost. There is good documentation within the code, but that is usually not enough.

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